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发明名称
Rotary valve
摘要
申请公布号
US2319733(A)
申请公布日期
1943.05.18
申请号
US19420457493
申请日期
1942.09.05
申请人
MALCOLM S. LOSEY
发明人
HALL CHARLES W.
分类号
F01L7/02
主分类号
F01L7/02
代理机构
代理人
主权项
地址
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